Canon C12-8453, Service Manual

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<D
ISASSEMBLY
P
ROCEDURE
>
(1) Removing the DSP flex unit
1. On the MD flex, desolder the five lead
wires, lamp prongs, and flex prongs.
(See Fig. 3-14.)
2. On the right of the body, desolder the dial
contact plate and camera back flex.
3. Disconnect the remote control jack’s lead
wires.
4. Remove the right strap lug (two screws).
5. Remove the flex connector on the
pentaprism.
6. Remove the screw.
7. Disconnect the ILC flex from the connector
on the rear of the DSP flex unit.
(2) Removing the dial unit
1. Remove the three screws (two on top and
one on bottom).
2. Desolder the flex connected to the battery
contacts on the bottom side of the dial
unit.
(3) Desolder the thru hole on the MD flex.
1. Battery contacts
2. Flash board
(4) Removing the viewfinder flex’s lead wires
(For non-EYE models, look on top of the VIA
flex.)
1. Five leads from the flash board.
2. Two leads from the shutter board.
(5) Removing the signal unit lead wires
1. Remove the four lead wires.
(6) Desolder the prongs on the flash board.
Part 3: Repair Information
3-11
Fig. 3-14 MD flex
Red-eye reduction lamp
FSRD1 (Red)
P-GND (Black)
Prongs
VBAT2 (Red)
MIF (Green)
RSFD1 (Black)
Fig. 3-15 Dial unit
Fig. 3-17 Signal unit lead wires
Screws (Rear)
Screws (bottom) Screw
Solder
Pink
Prongs on the
flash board Shutter flex
prongs
Blue
Orange
Red
Fig. 3-16 Viewfinder flex
Blue
White
Red
Finder flex
Black
Pink
Brown
Yellow